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This narrative review summarizes the current state of knowledge about human embryo fragmentation during IVF. The clinical relevance of fragmentation is discussed and evidence supporting a central role for the oocyte in the pathogenesis of fragmentation is presented. A mechanism of fragmentation as aberrant cell division involving the cytoskeleton is described along with the novel concept of membrane...
To explore the association between embryo fragmentation and necrosis and apoptosis.A prospective study.Mizmedi Hospital.None.None.Staining with annexin V (a marker of apoptosis) and propidium iodide (PI, a marker of necrosis), DNA integrity and mitochondrial distribution, and a beneficial effect of fragment removal in human fragmented embryos.Most of the mouse and human fragmented embryos were stained...
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